Samsung is one of the largest smartphones companies with around 20% of the global market share. They use an android system that is highly customizable and developer-friendly OS. This OS supports a lot of hidden codes for testing and system diagnosis.
Many of these codes work on all Android devices, but some skins like MIUI, Oxygen OS, One UI, etc. are using their secret codes which work only on their devices. For example, MIUI skins are used by Xiaomi and Redmi devices and the codes on their skins can be used only by Xiaomi or Redmi users.
But in this article, I will show you the Samsung Galaxy secret codes now that work on the TouchWiz and the latest One UI which are used by Samsung company on their devices. With these codes, you can enter Samsung engineering mode, factory reset, backup, unlock SIM, you can check battery health, display test, and much more. To find out which are the Samsung Galaxy secret codes you need to know, keep reading.
Samsung Galaxy Secret Codes You Need To Know
You need to be careful while using these codes and try not to experiment with them. Some of the codes below may not work for any Samsung device, but I tested almost 60% of all the codes, and they were working properly.
To make these Samsung Galaxy secret codes useful, you have to use the dial-pad of your smartphone to type these codes. When you end up typing a secret code, its functionality automatically starts.
List of Samsung Codes for Samsung One UI
If you are a user of the Samsung phone that was released after 2017, you can try the following Samsung Galaxy secret codes on your device. Samsung Galaxy S8, S9, S10, S20, Galaxy Note 9, Note 10, Note 20, Galaxy A and M series, Galaxy Tab S series, etc. come into this category.
| Samsung Secret Code (One UI) | Secret Code Function |
| *#06# | Check the IMEI number any mobile phone or tablet |
| *#0*# | Test RGB (Red Blue Green), Receiver, Vibration, Touch sensitivity, Speakers, Camera Sensors, S-Pen, Audio loopback, Software version, etc. |
| *#0808# | Change USB settings |
| *#0228# | Check Battery status ADC, RSSI reading, etc. |
| *#0011# | View GSM status information |
| *#2222# | Check Hardware Version |
| *#1234# | View Software Version such as PDA, CSC, MODEM, etc. Helps you check the BL, AP, CP, and CSC of your Samsung device |
| *#9090# | Check diagnostic configuration |
| *#9900# | Check Dump mode |
| *#12580*369# | Check Software and hardware information. This code also lets you check Samsung mobile manufacturing date |
| *#0283# | Check Audio loopback control |
| *#34971539# | Update Camera firmware |
| #7465625*638*# | Check Network lock keycode |
| *#2663# | Check TSP and TSK firmware update |
| *#272IMEI#* | Check Product code |
| *#272*IMEI# | Check buyer code, CSC (Country/Carrier Specific Product) Code |
| *#0283# | Check Audio loopback control |
| *#1111# | Check software version |
| *#34971539# | View Camera firmware menu |
| *43# [dial] | Enable call waiting |
| #43#[dial] | Turn off call waiting |
| *#43#[dial] | Show status of call waiting |
| *135#[dial] | Request own phone number (doesn’t work sometimes) |
| **04*[old Pin]*[new Pin]*[new Pin]# | Change device PIN. Replace the old and new PINs of your Samsung device. |
| *#004*[number]# | Divert call to a given number. Replace “[number]” with a phone number |
| *#004# | Request the status for call diversion |
| #004# | Deactivate call diversion |
| ##004# | Erase call diversion |
List of Codes for Old TouchWiz Devices
If you are a user of an older Samsung device such as Galaxy S4, S5, S6, S7, Note 4, Note 5, Note 6, Note 7, Galaxy J… and it runs on Android 6.0 or below, try this codes below.
| Samsung Secret Code (TouchWiz) | Secret Code Function |
| *#0*# / *#*#0*# | Test RGB (Red Blue Green), Receiver, Vibration, Touch sensitivity, Speakers, Camera Sensors, S-Pen, Audio loopback, Software version, etc. |
| *#06# | Show IMEI Number |
| *#03# | NAND Flash the serial number |
| *#80# | Touchscreen noise test (warning do not press power button) |
| *#251# | Wakelock OFF |
| *#251# | Wakelock ON |
| *#526# | WLAN Engineering Mode |
| *#528# | WLAN Engineering Mode |
| *#745# | RIL Dump Menu |
| *#746# | Debug Dump Menu |
| *#0011# | Service Mode |
| *#0228# | Battery status |
| *#0283# | Audio packet loopback test |
| *#0289# | Audio/speaker-test (Melody Test Mode) |
| *#0514# | SysDump (System Dumps, logs, etc.) |
| *#0588# | Proximity Sensor test |
| *#0589# | Light Sensor Test Mode |
| *#0673# | Audio/speaker-test (same as *#0289#) |
| *#0782# | Real-time clock test |
| *#0842# | Vibration test |
| *#1575# | GPS Control Menu |
| *#2263# | RF Band Selection |
| *#2663# | Touchscreen FW and version |
| *#2664# | HW touchscreen test |
| *#3264# | RAM check (version number) |
| *#7769# | Proximity sensor test |
| *#7284# | Phone utility and USB driver and connectivity settings |
| *#7353# | Performs 12 types of function tests |
| *#7594# | Factory mode / Enable shutdown on long press |
| *#8888# | Service Mode (Read FTA hardware version) |
| *#9900# | System Dump Mode |
| *#9999# | Software versions (AP, CP, CSC, FTA SW) |
| *#2222# | Hardware version |
| *#1234# | View SW Version PDA, CSC, MODEM |
| *#0228# | Battery diagnostics |
| *#9090# | Service Mode |
| *#301279# | HSDPA/HSUPA Control Menu |
| *#4238378# | GCF Configuration |
| *#197328640#or*#*#197328640#*#* | Enabling test mode for service activity (also shows the manufacturing date of Samsung devices) |
| *#232331# | Bluetooth test |
| *#232337# | Bluetooth address |
| *#232338# | WLAN MAC address & PS mode |
| *#232339# | WLAN Engineering Mode test (TX & RX modes) (same as *#526*) |
| *#8736364# | Opens OTA update menu |
| *#7412365# | Camera firmware standard (Front/Rear camera firmware) |
| *#7465625# | Personalization (lock status settings) |
| *#22558463# | Reset Total Call Time |
| *#12580*369# | Main Version (AP, CP, CSC, RF cal, HW revision) |
| *#3282*727336*# | System and storage information, and Data usage statistics |
| * 2767 *3855# | Wipes Samsung phone completely |
| *#*#7780#*#* | Resets your phone to the factory state and deletes only apps and app data. You don’t need to boot into the Samsung recovery mode to do that. |
| *#*#7594#*#* | Enables direct power off without showing Power Menu when you hold the Power button |
| *#*#232338#*#* | Displays Wi-Fi MAC address |
| *#*#4986*2650468#*#* | PDA, Phone, Hardware, RF Call Date (or manufacturing date) firmware info |
| ##778 [dial] | View the EPST menu |
